WO2023078192A1 - 支架机构、阀芯组件、增压泵和净水器 - Google Patents

支架机构、阀芯组件、增压泵和净水器 Download PDF

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Publication number
WO2023078192A1
WO2023078192A1 PCT/CN2022/128494 CN2022128494W WO2023078192A1 WO 2023078192 A1 WO2023078192 A1 WO 2023078192A1 CN 2022128494 W CN2022128494 W CN 2022128494W WO 2023078192 A1 WO2023078192 A1 WO 2023078192A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
base
heat
valve core
axis
Prior art date
Application number
PCT/CN2022/128494
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
刘建斌
汪耀东
王宏旭
唐伟鹏
周军
李伟
陈茂伟
吴志文
Original Assignee
佛山市顺德区美的洗涤电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202122718278.0U external-priority patent/CN216198922U/zh
Priority claimed from CN202122718282.7U external-priority patent/CN216198923U/zh
Priority claimed from CN202123357215.3U external-priority patent/CN216477768U/zh
Priority claimed from CN202111635120.5A external-priority patent/CN116412107A/zh
Priority claimed from CN202123358407.6U external-priority patent/CN216477771U/zh
Priority claimed from CN202111635143.6A external-priority patent/CN116412108A/zh
Application filed by 佛山市顺德区美的洗涤电器制造有限公司 filed Critical 佛山市顺德区美的洗涤电器制造有限公司
Priority to US18/563,229 priority Critical patent/US20240271608A1/en
Priority to EP22889217.0A priority patent/EP4332378A4/de
Publication of WO2023078192A1 publication Critical patent/WO2023078192A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
    • F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Definitions

  • the present application relates to the technical field of medium pumping, in particular to a support mechanism, a valve core assembly, a booster pump and a water purifier.
  • the flow demand of the booster pump is developing from 600G to 800G and 1200G.
  • This application aims to solve at least one of the technical problems existing in the prior art.
  • At least one embodiment of the present application proposes a bracket mechanism.
  • At least one embodiment of the present application proposes a valve core assembly.
  • At least one embodiment of the present application proposes a booster pump.
  • At least one embodiment of the present application proposes a water purifier.
  • At least one embodiment of the present application proposes a valve core assembly.
  • At least one embodiment of the present application proposes a booster pump.
  • At least one embodiment of the present application proposes a water purifier.
  • At least one embodiment of the present application proposes a valve core assembly.
  • At least one embodiment of the present application proposes a booster pump.
  • At least one embodiment of the present application proposes a water purifier.
  • At least one embodiment of the present application proposes a valve core assembly.
  • At least one embodiment of the present application proposes a booster pump.
  • At least one embodiment of the present application proposes a water purifier.
  • the support mechanism includes: a base including a guide groove; a heat-resisting member arranged on the base, and the heat-resisting member is partially embedded in the guide groove Among them, the heat-resisting member is used to support the diaphragm, and the heat-resisting member is used to drive the diaphragm to move; wherein, in the depth direction of the guide groove, the cross-sectional area of the guide groove gradually decreases.
  • valve core assembly in the second embodiment of the present application, includes: the bracket mechanism as in the first embodiment; between the membranes.
  • a booster pump in the third embodiment of the present application, includes: a casing including a cavity; the valve core assembly as in the second embodiment is arranged in the cavity, and the diaphragm and the casing The body is connected, and the diaphragm separates the cavity.
  • a fourth embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump as in the third embodiment.
  • a valve core assembly in the fifth embodiment of the present application, includes: a base; a heat-resistant element arranged on the base; and the diaphragm, and the thermal resistance can drive the diaphragm to move.
  • the sixth embodiment of the present application provides a booster pump.
  • the booster pump includes: a casing including a cavity; the valve core assembly as in the fifth embodiment is arranged in the cavity, and the diaphragm and the casing The body is connected, and the diaphragm separates the cavity.
  • a seventh embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump as in the sixth embodiment.
  • the eighth embodiment of the present application provides a valve core assembly.
  • the valve core assembly includes: an eccentric wheel, which can rotate around a first axis, and includes a shaft body. There is a first axis between the axis of the shaft body and the first axis. The included angle; the bracket mechanism is sleeved on the shaft body; the diaphragm is connected with the bracket mechanism; extending away from the diaphragm.
  • the ninth embodiment of the present application provides a booster pump.
  • the booster pump includes: a casing including a cavity; the valve core assembly as in the eighth embodiment is arranged in the cavity, and the diaphragm and the casing The bodies are connected and the cavities are separated.
  • a tenth embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump as in the ninth embodiment.
  • the eleventh embodiment of the present application provides a valve core assembly.
  • the valve core assembly includes: an eccentric wheel, which can rotate around the first axis, and includes a shaft body. There is a second axis between the axis of the shaft body and the first axis. Three included angles; the bracket mechanism is sleeved on the shaft body; the diaphragm is connected to the bracket mechanism; the intersection point of the first axis and the axis of the shaft body is the first intersection point; the first intersection point is located on the surface of the diaphragm, or the first The point of intersection is inside the diaphragm.
  • the twelfth embodiment of the present application provides a booster pump.
  • the booster pump includes: a housing including a cavity; the valve core assembly as in the eleventh embodiment is set in the cavity, and the diaphragm It is connected with the shell and separates the cavity.
  • the thirteenth embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump as in the twelfth embodiment.
  • FIG. 1 shows one of the structural schematic diagrams of a bracket mechanism according to an embodiment of the present application
  • Fig. 2 shows the second structural schematic diagram of the bracket mechanism according to an embodiment of the present application
  • Fig. 3 shows one of the structural schematic diagrams of the base according to an embodiment of the present application
  • Fig. 4 shows the second structural schematic diagram of the base according to an embodiment of the present application
  • Fig. 5 shows the third structural schematic diagram of the base according to an embodiment of the present application.
  • Fig. 6 shows a sectional view of the base of the embodiment shown in Fig. 5 in the A-A direction;
  • FIG. 7 shows one of the structural schematic diagrams of a heat-resistant element according to an embodiment of the present application.
  • Fig. 8 shows the second structural schematic diagram of a heat-resistant element according to an embodiment of the present application.
  • FIG. 9 shows the third structural schematic diagram of a heat-resistant element according to an embodiment of the present application.
  • Fig. 10 shows a cross-sectional view of the heat resistance member in the B-B direction of the embodiment shown in Fig. 9;
  • FIG 11 shows one of the structural schematic diagrams of the valve core assembly according to an embodiment of the present application.
  • Figure 12 shows one of the structural schematic diagrams of a booster pump according to an embodiment of the present application
  • Fig. 13 shows the second structural schematic diagram of the valve core assembly according to an embodiment of the present application
  • Fig. 14 shows the third schematic structural view of the valve core assembly according to an embodiment of the present application.
  • Fig. 15 shows one of the structural schematic diagrams of the eccentric wheel according to an embodiment of the present application.
  • Fig. 16 shows the third structural schematic diagram of the bracket mechanism according to an embodiment of the present application.
  • Fig. 17 shows the fourth structural schematic diagram of the bracket mechanism according to an embodiment of the present application.
  • Fig. 18 shows the second structural schematic diagram of a booster pump according to an embodiment of the present application.
  • Fig. 19 shows the fourth schematic structural view of the valve core assembly according to an embodiment of the present application.
  • Fig. 20 shows the fifth schematic structural view of the valve core assembly according to an embodiment of the present application.
  • Fig. 21 shows the second structural schematic diagram of the eccentric wheel according to an embodiment of the present application.
  • Fig. 22 shows the fifth structural schematic diagram of the bracket mechanism according to an embodiment of the present application.
  • bracket mechanism 110 base, 112 positioning part, 1122 guide groove, 114 guide piece, 116 contact surface, 118 first rib, 120 heat resistance piece, 121 base body, 122 installation groove, 124 protrusion, 126 connector , 200 spool assembly, 210 diaphragm, 220 pressing piece, 230 eccentric wheel, 232 shaft body, 234 shaft hole, 236 second rib, 250 drive assembly, 252 drive shaft, 254 bearing, 256 drive piece, 300 increase Pressure pump, 310 housing.
  • a bracket mechanism, a valve core assembly, a booster pump and a water purifier according to some embodiments of the present application are described below with reference to FIGS. 1 to 22 .
  • the support mechanism 100 includes: a base 110, including a guide groove 1122; On the base 110, the heat-resisting member 120 is partially embedded in the guide groove 1122, the heat-resisting member 120 is used to support the diaphragm 210, and the heat-resisting member 120 is used to drive the diaphragm 210 to move; wherein, in the guide groove 1122 In the depth direction, the cross-sectional area of the guide groove 1122 gradually decreases.
  • the present application defines a bracket mechanism 100 applied to a booster pump 300.
  • the bracket mechanism 100 includes a base 110, the base 110 is used to connect the diaphragm 210 on the booster pump 300, and drives the diaphragm 210 to move on the booster pump 300. in motion.
  • Diaphragm 210 is the core component in booster pump 300
  • base 110 is used to connect diaphragm 210 and drive assembly 250
  • drive assembly 250 drives diaphragm 210 in booster pump 300 by swinging bearing 254 on drive base 110
  • the swinging diaphragm 210 can change the space size of the pumping cavity on the opposite side of the base 110. When the swinging diaphragm 210 enlarges the pumping cavity, the negative pressure will press the liquid into the pumping cavity. Conversely, when the oscillating diaphragm 210 shrinks the pumping cavity, the previously pumped liquid is pressed out of the pumping cavity, thereby satisfying the pumping requirement of the liquid.
  • the demand for the pumping flow of the booster pump 300 is getting higher and higher, and the flow rate of the booster pump 300 on the market is developing from 600G, 800G to 0G.
  • one of the ways to increase the pumping flow rate is to speed up the movement frequency of the diaphragm 210, but this high-speed synergistic method will generate a lot of heat during the working process, causing the base 110 and the diaphragm 210 to be released from the base 110 Heating up, the actual temperature can reach around 70°C.
  • the diaphragm 210 is mostly made of elastic materials such as rubber, and high temperature has an irreversible impact on the performance of the diaphragm 210 , resulting in rapid aging of the diaphragm 210 . Therefore, the technical problems of short service life of the diaphragm 210, high failure rate and poor reliability of the booster pump 300 arise.
  • the present application provides a heat-resisting element 120 in the support mechanism 100 .
  • the heat-resisting member 120 is fixed on the base 110, and the heat-resisting member 120 is used to support the diaphragm 210.
  • the heat-resisting member 120 is located between the base 110 and the diaphragm 210, and the heat-resisting member 120 Keeping in contact with the diaphragm 210 , when the heat-resisting member 120 moves with the base 110 , the diaphragm 210 in contact with the heat-resisting member 120 is deformed.
  • the heat-resisting element 120 has excellent heat-insulating performance, and can slow down the heat transfer efficiency between the base 110 and the diaphragm 210 .
  • the heat-resistant element 120 can be made of PA6+30GF (nylon 66+30% glass fiber), or can be made of heat-insulating materials such as ceramics, so the heat-resistant element is not included in this embodiment.
  • the material of 120 is rigidly limited to meet the heat insulation requirements.
  • the heat transfer efficiency from the base 110 to the diaphragm 210 can be effectively reduced, thereby reducing the temperature of the diaphragm 210 during operation and avoiding damage to the diaphragm 210 due to high temperature .
  • the technical problems existing in the foregoing related technologies are solved.
  • the technical effects of optimizing the structure of the spool assembly 200, prolonging the service life of the diaphragm 210, reducing the failure rate of the bracket mechanism 100, and reducing the failure rate of the booster pump 300 are realized on the basis of meeting the high-flow pumping demand.
  • the base 110 and the heat-resisting member 120 are of a split structure.
  • the base 110 can be made of a metal material with higher strength, so as to It is ensured that the base 110 can drive the diaphragm 210 to move at a high speed for a long time, and the failure rate of the base 110 is reduced.
  • the thermal insulation performance of the heat-resisting member 120 can be adjusted by selecting and replacing the heat-resisting member 120 of different materials, so as to select the corresponding material of the heat-resisting member 120 according to the pumping flow demand of the booster pump 300, so as to meet the The cost of the bracket mechanism 100 is compressed based on insulation requirements.
  • the base 110 is provided with a guide groove 1122, the shape of the guide groove 1122 is adapted to the outer contour shape of part of the heat-resistant element 120, and the heat-resistant element can be completed by inserting part of the heat-resistant element 120 into the guide groove 1122
  • the positioning assembly of 120 on the base 110 ensures the positioning accuracy of the heat-resistant element 120 on the base 110 , and ensures that the base 110 and the heat-resistant element 120 can drive the diaphragm 210 to swing precisely.
  • the cross-sectional area of the guide groove 1122 can be determined, and in the depth direction of the guide groove 1122, the cross-sectional area of the guide groove 1122 gradually decreases, thereby forming
  • the guide groove 1122 is tapered from top to bottom.
  • a guide groove 1122 in the shape of a bell mouth can be formed, so as to realize the guiding function through the bell mouth, so that part of the heat-resistant element 120 can slide to a predetermined installation position after being placed in the guide groove 1122 , thereby reducing the probability of wrong installation of the thermal resistance element 120 .
  • the technical effect of optimizing the positioning structure of the heat-resisting member 120 improving the positioning accuracy of the heat-resisting member 120 , and increasing the yield rate of the bracket mechanism 100 is achieved.
  • the base 110 also includes a blind hole
  • the bracket mechanism 100 also includes: a guide 114 disposed in the blind hole, including A guide slope opposite to the side wall of the blind hole; the guide groove 1122 is surrounded by the guide slope and the blind hole.
  • the structure of the base 110 is further limited. Specifically, a blind hole is provided on the surface of the base 110 facing the heat-resisting member 120, and a guide member 114 is arranged in the blind hole, and a guide slope is formed on the peripheral side of the guide member 114.
  • the guide slope, the bottom wall of the blind hole and the blind hole The sidewalls of the hole together form a guide groove 1122 .
  • the guide slope is inclined relative to the sidewall of the blind hole, thereby forming a tapered guide groove 1122 .
  • part of the heat-resistant element 120 is inserted into the guide groove 1122 and fills the guide groove 1122 to accurately position the heat-resistant element 120 and prevent the heat-resistant element 120 from shaking relative to the base 110 during operation. Further, the control precision of the diaphragm 210 is improved, and the liquid pumping efficiency can be accurately controlled.
  • the guide member 114 is a prism, and the bottom surface of the prism is connected with the bottom wall of the blind hole.
  • the shape of the guide piece 114 is defined.
  • the guide member 114 is a prism, the bottom of the prism is connected to the bottom wall of the blind hole, and the top surface faces the heat-resisting member 120 , and the multiple sides on the prism are guide slopes.
  • the cross-sectional shapes of the guide groove 1122 and the guide member 114 are regular polygons.
  • the cross-sectional shape of the guide groove 1122 is an equilateral triangle, and the guide member 114 is a corresponding triangular prism.
  • the cross-sectional shape of the corresponding quadrangular truss or guide groove 1122 is a regular octagon, and the guide 114 is a corresponding octagonal truss.
  • the peripheral side of the prism abuts against the sidewall of the guide groove 1122 to prevent the heat-resisting element 120 from rotating relative to the positioning portion 112 .
  • this embodiment does not rigidly limit the shapes of the guide groove 1122 and the guide member 114 , as long as they meet the above positioning requirements.
  • the guide member 114 is a hexagonal prism.
  • the cross-sectional shape of the guide groove 1122 is a regular hexagon, and correspondingly, the cross-sectional shape of the guide piece 114 is a hexagonal truss, and a part of the heat-resisting element 120 can be inserted between the hexagonal truss and the guide groove 1122.
  • the heat-resisting element 120 is snapped onto the positioning portion 112 .
  • a through hole is provided in the hexagonal platform, for the connection piece 126 to connect the thermal resistance piece 120 and the base 110.
  • the heat-resisting member 120 is in interference fit with the guide groove 1122.
  • the close connection between the base 110 and the heat-resisting member 120 can be realized, so as to improve the positioning accuracy of the heat-resisting member 120 and avoid heat-resisting
  • the component 120 is misaligned relative to the positioning portion 112 during the working process and even falls out of the positioning portion 112 . Further, the technical effect of improving the structural stability and reliability of the bracket mechanism 100 is achieved.
  • N guide grooves 1122 there are N guide grooves 1122 , and the N guide grooves 1122 are evenly distributed on the base 110 ; wherein, N is an integer greater than 2.
  • the base 110 is provided with N positioning portions 112 , and each positioning portion 112 is provided with a guide groove 1122 .
  • the distribution of the guide grooves 1122 on the base 110 is limited.
  • the base 110 is a ring structure.
  • at least three guide grooves 1122 are evenly distributed on the same circle with the axis of the base 110 as the axis, so as to form an annular array of guide grooves 1122 on the base 121 .
  • the uniformity of force distribution on the base 110 can be improved and the diaphragm 210 can be prevented from being damaged due to uneven force. Further, the technical effect of optimizing the structure of the base 110 and prolonging the service life of the diaphragm 210 is achieved.
  • the base 110 is annular, and the N guide grooves 1122 are evenly distributed on the same circle with the axis of the base 110 as the axis.
  • the distribution of the guide grooves 1122 on the base 110 is limited.
  • the base 110 is a ring structure.
  • at least three guide grooves 1122 are evenly distributed on the same circle with the axis of the base 110 as the axis, so as to form an annular array of guide grooves 1122 on the base 121 .
  • the uniformity of force distribution on the base 110 can be improved and the diaphragm 210 can be prevented from being damaged due to uneven force.
  • the technical effect of optimizing the structure of the base 110 and prolonging the service life of the diaphragm 210 is achieved.
  • N heat-resistant elements 120 there are N heat-resistant elements 120 , and the N heat-resistant elements 120 are connected to the N guide grooves 1122 in one-to-one correspondence.
  • the number of heat-resisting elements 120 and the corresponding relationship between the heat-resisting elements 120 and the guide grooves 1122 are limited.
  • the number of heat-resisting elements 120 is the same as the number of guide grooves 1122, and N guide grooves 1122 are arranged in one-to-one correspondence with N heat-resisting elements 120, so as to form N heat-resisting elements distributed in a ring on the base 110 120 arrays, so that the membrane 210 is jointly supported by N thermal resistance elements 120 .
  • the area of contact surface 116 between heat-resisting members 120 and diaphragm 210 can be reduced on the basis of meeting the positioning and connection requirements of diaphragm 210, so as to avoid large-area contact affecting the diaphragm.
  • the range of motion of the slice 210 Furthermore, the technical effect of optimizing the structure of the support mechanism 100 and improving the pumping performance of the support mechanism 100 is achieved.
  • the heat-resistant element 120 includes: a base body 121; Set in the guide groove 1122 .
  • the structure of the heat-resistant element 120 is limited.
  • the heat-resistant element 120 includes a base 121 and a protrusion 124.
  • the base 121 is located outside the guide groove 1122 for supporting and connecting the diaphragm 210.
  • the top surface of the base 121 is kept in contact with the diaphragm 210, and when the base 110 is driven to swing, the base 121 pushes and pulls the diaphragm 210, so that the diaphragm 210 is deformed, so that the side away from the base 110 is changed by the deformed diaphragm 210
  • the size of the cavity to complete the suction and pumping of the liquid.
  • the protruding part 124 is arranged on the bottom surface of the base body 121, and the shape of the protruding part 124 is adapted to the shape of the guide groove 1122. During the assembly process, the protruding part 124 is first aligned with the guide groove 1122, and then the protruding part 124 is aligned with the guide groove 1122 through the guide slope. The outlet portion 124 is accurately pushed into the guide groove 1122 to accurately position the heat-resistant element 120 on the base 110 .
  • the positioning portion 112 has a columnar structure, and the heat-resisting member 120 is provided with an installation groove 122 whose shape matches the outer contour of the positioning portion 112 .
  • the positioning part 112 is first aligned with the installation groove 122 , and then the positioning part 112 is plugged into the installation groove 122 to complete the assembly of the heat resistance element 120 .
  • the positioning part 112 and the guide groove 1122 can be combined to form a nested positioning connection structure, thereby improving the positioning accuracy of the thermal resistance element 120 .
  • the nested connection structure can improve the positioning stability of the heat-resisting element 120 and prevent the heat-resisting element 120 from being dislocated or even falling off during the long-term reciprocating movement. Furthermore, the technical effect of improving the structural stability of the support mechanism 100 and reducing the failure rate of the support mechanism 100 is achieved.
  • the protruding portion 124 is in interference fit with the guiding groove 1122 .
  • the protrusion 124 is in interference fit with the guide groove 1122 .
  • the side of the protruding portion 124 facing the base 110 is the front end of the protruding portion 124
  • the opposite side is the end of the protruding portion 124 .
  • the protrusion 124 is slightly larger than the size of the guide groove 1122, the protrusion 124 is not completely submerged in the guide groove 1122, and then the protrusion 124 is pressed into the guide groove 1122 by the connector 126 to make the protrusion
  • the outer surface of the portion 124 is in close contact with the inner wall of the guide groove 1122 , thereby eliminating the gap between the protruding portion 124 and the guide groove 1122 , and preventing the heat-resisting element 120 from being dislocated or even falling off during operation.
  • the technical effects of optimizing the positioning structure of the heat-resisting element 120 improving the positioning accuracy of the heat-resisting element 120 , and reducing the failure rate of the support mechanism 100 are realized.
  • the heat-resistant element 120 is detachably connected to the base 110 .
  • the heat-resistant element 120 is detachably connected to the base 110 .
  • the modular design of the base 110 and the heat-resisting member 120 can be realized, and the heat-resisting member 120 corresponding to the heat insulation performance can be provided for the base 110 with different pumping efficiencies.
  • the maintenance of the bracket mechanism 100 can be quickly completed by disassembling and replacing the heat-resistant element 120, thereby bringing convenience to the user. Reduce product maintenance difficulty and maintenance costs.
  • the bracket mechanism 100 further includes: a connecting piece 126 , a connecting base 110 and a heat-resistant piece 120 .
  • valve core assembly 200 is also provided with a connecting piece 126. After the initial positioning of the heat-resistant piece 120 is completed through the guide groove 1122, the heat-resistant piece 120 and the base 110 are connected through the connecting piece 126, so that the base The seat 110 can drive the heat-resisting element 120 and the diaphragm 210 to swing together, so as to prevent the heat-resisting element 120 from being separated from the base 110 .
  • the connector 126 can be a screw.
  • a first screw hole is provided on the heat-resistant member 120
  • the protruding part 124 is arranged around the first screw hole
  • the base 110 is correspondingly provided with a second screw hole.
  • screw holes, the second screw holes are provided on the guide member 114 , the screws pass through the first screw holes and sink into the second screw holes, so as to connect the heat-resisting member 120 and the base 110 .
  • this structure is only an optional structure of the connector 126, and the connection between the heat-resistant member 120 and the base 110 can also be completed by setting other connection structures such as buckle slots. It is hard to limit, and it is enough to meet the requirement of reliable connection.
  • valve core assembly 200 includes: the bracket mechanism 100 in any of the above-mentioned embodiments; Above, the heat-resistant element 120 is located between the base 110 and the diaphragm 210 .
  • valve core assembly 200 provided with the bracket mechanism 100 in any of the above-mentioned embodiments is defined, so the valve core assembly 200 has the advantages of the bracket mechanism 100 in any of the above-mentioned embodiments, and can realize The technical effects achieved by the bracket mechanism 100 in any of the above-mentioned embodiments.
  • the demand for the pumping flow of the booster pump 300 is getting higher and higher, and the flow rate of the booster pump 300 on the market is developing from 600G, 800G to 0G.
  • one of the ways to increase the pumping flow rate is to speed up the movement frequency of the diaphragm 210, but this high-speed synergistic method will generate a lot of heat during the working process, causing the base 110 and the diaphragm 210 to be released from the base 110 Heating up, the actual temperature can reach around 70°C.
  • the diaphragm 210 is mostly made of elastic materials such as rubber, and high temperature has an irreversible impact on the performance of the diaphragm 210 , resulting in rapid aging of the diaphragm 210 . Therefore, the technical problems of short service life of the diaphragm 210, high failure rate and poor reliability of the booster pump 300 arise.
  • the present application provides a heat-resisting element 120 in the support mechanism 100 .
  • the heat-resisting member 120 is fixed on the base 110, and the heat-resisting member 120 is used to support the diaphragm 210.
  • the heat-resisting member 120 is located between the base 110 and the diaphragm 210, and the heat-resisting member 120 Keeping in contact with the diaphragm 210 , when the heat-resisting member 120 moves with the base 110 , the diaphragm 210 in contact with the heat-resisting member 120 is deformed.
  • the heat-resisting element 120 has excellent heat-insulating performance, and can slow down the heat transfer efficiency between the base 110 and the diaphragm 210 .
  • the heat-resistant element 120 can be made of PA6+30GF (nylon 66+30% glass fiber), or can be made of heat-insulating materials such as ceramics, so the heat-resistant element is not included in this embodiment.
  • the material of 120 is rigidly limited to meet the heat insulation requirements.
  • the heat transfer efficiency from the base 110 to the diaphragm 210 can be effectively reduced, thereby reducing the temperature of the diaphragm 210 during operation and avoiding damage to the diaphragm 210 due to high temperature .
  • the technical problems existing in the foregoing related technologies are solved.
  • the technical effects of optimizing the structure of the valve core assembly 200, prolonging the service life of the diaphragm 210, reducing the failure rate of the valve core assembly 200, and reducing the failure rate of the booster pump 300 are realized on the basis of meeting the high-flow pumping demand.
  • the base 110 and the heat-resisting member 120 are of a split structure.
  • the base 110 can be made of a metal material with higher strength, so as to It is ensured that the base 110 can drive the diaphragm 210 to move at a high speed for a long time, and the failure rate of the base 110 is reduced.
  • the thermal insulation performance of the heat-resisting member 120 can be adjusted by selecting and replacing the heat-resisting member 120 of different materials, so as to select the corresponding material of the heat-resisting member 120 according to the pumping flow demand of the booster pump 300, so as to meet the The cost of the spool assembly 200 is compressed based on insulation requirements.
  • the valve core assembly 200 further includes: a pressing member 220, disposed on the diaphragm 210, facing away from the heat-resistant member 120, the pressing member 220 is connected with the heat-resistant member 120, and is used to connect the diaphragm 210 Pressed on the heat-resistant element 120 .
  • the valve core assembly 200 is also provided with a pressing piece 220, the pressing piece 220 is arranged on the diaphragm 210, and the connecting piece 126 passes through the diaphragm 210 and connects the pressing piece 220 and the thermal resistance 120, so as to
  • the diaphragm 210 is tightly pressed against the heat-resisting member 120 by the pressing member 220 , so that the diaphragm 210 is in close contact with the top surface of the heat-resisting member 120 , thereby realizing the clamping of the diaphragm 210 .
  • the diaphragm 210 is the main working part of the booster pump 300.
  • the booster pump 300 drives the diaphragm 210 to move to change the size of the space separated by the diaphragm 210, thereby completing the extraction of the medium. , pressurization of the medium and discharge of the medium.
  • Setting the connecting piece 126 and the pressing piece 220 can accurately position the diaphragm 210 in the booster pump 300 to reduce the possibility of misalignment of the diaphragm 210 during operation.
  • the pressing member 220 can make the diaphragm 210 close to the base 110, thereby eliminating the gap between the first positioning surface and the diaphragm 210, thereby improving the movement accuracy of the diaphragm 210 and ensuring the pumping of the valve core assembly 200. efficiency.
  • the booster pump 300 includes: a housing 310 including a cavity; In the cavity, the diaphragm 210 is connected with the casing 310, and the diaphragm 210 separates the cavity.
  • a booster pump 300 provided with the spool assembly 200 in any of the above-mentioned embodiments is defined, so the booster pump 300 has the advantages of the spool assembly 200 in any of the above-mentioned embodiments, The technical effects achieved by the spool assembly 200 in any of the above embodiments can be achieved, and to avoid repetition, details are not repeated here.
  • the booster pump 300 includes a casing 310, which is an external frame structure of the booster pump 300, and is used to enclose and define a cavity.
  • the base 110 and the pressing member 220 are disposed in the cavity to position the diaphragm 210 within the housing 310 .
  • the peripheral side of the diaphragm 210 is connected with the inner wall of the housing 310 to divide the cavity into two sub-cavities, and the base 110 and the pressing member 220 are respectively located in the sub-cavities on both sides of the diaphragm 210 .
  • the base 110 drives part of the diaphragm 210 and the pressing member 220 to move relative to the housing 310 , the diaphragm 210 connected to the housing 310 is pushed and pulled, thereby deforming.
  • the volume of the sub-cavity where the pressing member 220 is located increases, so that the booster pump 300 can suck the medium into the sub-cavity.
  • the diaphragm 210 is pushed toward the pressing member 220 by the base 110 , the volume of the subcavity where the pressing member 220 is located decreases, so that the medium in the subcavity is pushed out of the booster pump 300 . Further, the medium pumping of the booster pump 300 is realized.
  • the housing 310 further includes an inlet and an outlet, and the inlet and the outlet communicate with the cavity on the side of the diaphragm 210 away from the base 110 . connected to drive the base 110 to swing relative to the casing 310 .
  • the housing 310 is provided with an inlet and an outlet for the medium to enter and exit. Both the inlet and the outlet communicate with the subcavity on one side of the diaphragm 210 .
  • the base 110 and the driving member 256 are arranged in the sub-cavity on the side away from the inlet and the outlet.
  • the drive assembly 250 is fixed on the housing 310, and the base 110 connects the drive assembly 250 and the diaphragm 210.
  • the driving assembly 250 drives the base 110 and the pressing member 220 to move relative to the housing 310 , so as to realize the suction and discharge of the medium by pushing and pulling the diaphragm 210 .
  • the drive assembly 250 includes: a drive member 256, including a drive shaft 252; an eccentric wheel 230, sleeved on the drive shaft 252; a bearing 254, the inner ring of the bearing 254 is sleeved on the eccentric wheel 230, and the bearing The outer ring of 254 passes through the base 110 .
  • the structure of the driving assembly 250 is limited.
  • the driving assembly 250 includes a driving member 256 , an eccentric wheel 230 and a bearing 254 .
  • the eccentric wheel 230 and the bearing 254 are transmission structures between the base 110 and the driving member 256 , the bearing 254 is sleeved on the shaft body 232 of the eccentric wheel 230 , and the base 110 is sleeved outside the bearing 254 .
  • the eccentric wheel 230 rotates around the first axis, and there is a first angle between the axis of the shaft body 232 and the first axis, so that the base 110 sleeved on the shaft body 232 can be eccentric around the first axis together. turn.
  • the diaphragm 210 is disposed on the base 110 and connected with the base 110 .
  • Diaphragm 210 is made of elastic material, which can be deformed when being pushed and pulled to change the volume of the cavity in booster pump 300. For example, when the diaphragm 210 is stretched outward, the volume of the cavity will increase immediately, otherwise the membrane will When the sheet 210 returns to its original shape or is pushed inward, the volume of the cavity decreases immediately, so that the drawing and pumping of the liquid can be realized by pushing and pulling.
  • the fourth aspect of the present application provides a water purifier, and the water purifier includes: the booster pump 300 in any one of the above-mentioned embodiments.
  • a water purifier provided with the booster pump 300 in any of the above-mentioned embodiments is defined, so the water purifier possesses the advantages of the booster pump 300 in any of the above-mentioned embodiments, and can realize To avoid repetition, the technical effects achieved by the booster pump 300 in any of the above embodiments will not be repeated here.
  • valve core assembly 200 As shown in FIG. 11 , FIG. 3 and FIG. 7 , at least one embodiment of the present application provides a valve core assembly 200 , the valve core assembly 200 includes: a base 110 ; a heat-resistant element 120 disposed on the base 110 ; The diaphragm 210 is in contact with the heat-resisting member 120 , the heat-resisting member 120 is located between the base 110 and the diaphragm 210 , and the heat-resisting member 120 can drive the diaphragm 210 to move.
  • the present application defines a valve core assembly 200 applied to a booster pump 300 , and the valve core assembly 200 includes a base 110 and a diaphragm 210 .
  • the diaphragm 210 is the core component of the booster pump 300
  • the base 110 is used to connect the diaphragm 210 and the drive assembly 250
  • the drive assembly 250 drives the diaphragm 210 to move in the booster pump 300 through the drive shaft 252 bearing the base 110
  • the moving diaphragm 210 can change the space size of the pumping chamber on the opposite side of the base 110, and when the moving diaphragm 210 enlarges the pumping chamber, the negative pressure will press the liquid into the pumping chamber.
  • the moving diaphragm 210 shrinks the pumping cavity, the liquid previously drawn in is pressed out of the pumping cavity, thereby satisfying the pumping demand of the liquid.
  • the demand for the pumping flow of the booster pump 300 is getting higher and higher, and the flow rate of the booster pump 300 on the market is developing from 600G, 800G to 0G.
  • one of the ways to increase the pumping flow rate is to speed up the movement frequency of the diaphragm 210, but this high-speed synergistic method will generate a lot of heat during the working process, causing the base 110 and the diaphragm 210 to be released from the base 110 Heating up, the actual temperature can reach around 70°C.
  • the diaphragm 210 is mostly made of elastic materials such as rubber, and high temperature has an irreversible impact on the performance of the diaphragm 210 , resulting in rapid aging of the diaphragm 210 . Therefore, the technical problems of short service life of the diaphragm 210, high failure rate and poor reliability of the booster pump 300 arise.
  • the present application provides a thermal resistance element 120 in the valve core assembly 200 .
  • the heat-resisting member 120 is fixed on the base 110, and the heat-resisting member 120 is used to support the diaphragm 210.
  • the heat-resisting member 120 is located between the base 110 and the diaphragm 210, and the heat-resisting member 120 Keeping in contact with the diaphragm 210 , when the heat-resisting member 120 moves with the base 110 , the diaphragm 210 in contact with the heat-resisting member 120 is deformed.
  • the heat-resisting element 120 has excellent heat-insulating performance, and can slow down the heat transfer efficiency between the base 110 and the diaphragm 210 .
  • the heat-resistant element 120 can be made of PA6+30GF (nylon 66+30% glass fiber), or can be made of heat-insulating materials such as ceramics, so the heat-resistant element is not included in this embodiment.
  • the material of 120 is rigidly limited to meet the heat insulation requirements.
  • the heat transfer efficiency from the base 110 to the diaphragm 210 can be effectively reduced, thereby reducing the temperature of the diaphragm 210 during operation and avoiding damage to the diaphragm 210 due to high temperature .
  • the technical problems existing in the foregoing related technologies are solved.
  • the technical effects of optimizing the structure of the valve core assembly 200, prolonging the service life of the diaphragm 210, reducing the failure rate of the valve core assembly 200, and reducing the failure rate of the booster pump 300 are realized on the basis of meeting the high-flow pumping demand.
  • the base 110 and the heat-resisting member 120 are of a split structure.
  • the base 110 can be made of a metal material with higher strength, so as to It is ensured that the base 110 can drive the diaphragm 210 to move at a high speed for a long time, and the failure rate of the base 110 is reduced.
  • the thermal insulation performance of the heat-resisting member 120 can be adjusted by selecting and replacing the heat-resisting member 120 of different materials, so as to select the corresponding material of the heat-resisting member 120 according to the pumping flow demand of the booster pump 300, so as to meet the The cost of the spool assembly 200 is compressed based on insulation requirements.
  • the valve core assembly 200 further includes: a positioning part 112, which is arranged on the base 110, and the heat-resistant member 120 and the positioning part 112 connections.
  • the valve core assembly 200 is provided with a positioning portion 112, the positioning portion 112 is disposed on the base 110, and the thermal resistance member 120 is connected with the positioning portion 112 to position the thermal resistance member 120 on the base 110. on the intended installation location.
  • the positioning portion 112 it is helpful to improve the positioning accuracy of the heat-resisting element 120 on the base 110 , so as to prevent the misaligned installed heat-resisting element 120 from affecting the liquid pumping performance of the valve core assembly 200 .
  • the positioning part 112 can also prevent the heat-resisting member 120 from shaking relative to the base 110 during operation, thereby improving the movement accuracy of the diaphragm 210 and accurately controlling the liquid pumping efficiency. Further, the technical effect of optimizing the structure of the valve core assembly 200 , improving the structural stability of the valve core assembly 200 , and reducing the failure rate of the valve core assembly 200 is achieved.
  • the positioning portion 112 is cylindrical in shape, the bottom end of the cylindrical positioning portion 112 is connected to the base 110 , and the top end is connected to the heat resistance element 120 .
  • the cylindrical positioning column By setting the cylindrical positioning column, it can effectively support the thermal resistance 120 and the diaphragm 210.
  • the cylindrical positioning column can increase the distance between the diaphragm 210 and the base 110, avoiding the deformation of the diaphragm 210 and the base. 110 Interference.
  • the technical effect of improving the positioning accuracy of the diaphragm 210 and reducing the failure rate of the diaphragm 210 is achieved.
  • N positioning parts 112 there are N positioning parts 112 , and the N positioning parts 112 are evenly distributed on the base 110 ; wherein, N is an integer greater than 2.
  • the number of positioning parts 112 is limited. Specifically, there are N positioning parts 112 , and N is an integer greater than 2, that is, at least three positioning parts 112 are provided on the base 110 .
  • N is an integer greater than 2
  • the stability of the positioning parts 112 supporting the heat-resisting element 120 and the diaphragm 210 can be ensured, and the possibility of the diaphragm 210 tilting on the valve core assembly 200 can be reduced.
  • the positioning portion 112 on the base 110 By constructing the positioning portion 112 on the base 110 , convenient conditions can be provided for pushing and pulling the diaphragm 210 during operation, specifically, the deformation range of the diaphragm 210 can be increased, and the force required for pushing and pulling the diaphragm 210 can be reduced. Further, the technical effect of increasing the pumping flow rate and pumping pressure of the booster pump 300 using the spool assembly 200 and enhancing the competitiveness of related products is realized. By evenly distributing the N positioning portions 112 on the base 110 , the uniformity of force distribution between the heat-resisting element 120 and the diaphragm 210 can be improved, preventing the diaphragm 210 from being damaged due to uneven force. Further, the technical effect of prolonging the service life of the diaphragm 210 is achieved.
  • the N positioning parts 112 can be positioned together to support a single heat-resisting element 120 , or can support multiple heat-resisting elements 120 respectively, and the number and distribution of the heat-resisting elements 120 are not rigidly limited in this embodiment.
  • the base 110 is in a ring shape, and the N positioning portions 112 are evenly distributed on the same circle with the axis of the base 110 as an axis.
  • the distribution manner of the positioning portions 112 on the base 110 is limited.
  • the base 110 is a ring structure.
  • at least three positioning portions 112 are evenly distributed on the same circle with the axis of the base 110 as the axis, so as to form an array of positioning portions 112 distributed in a ring on the body.
  • the uniformity of force distribution of the base 110 can be improved, and the diaphragm 210 can be prevented from being damaged due to uneven force. Further, the technical effect of optimizing the structure of the base 110 and prolonging the service life of the diaphragm 210 is realized.
  • N heat-resisting elements 120 there are N heat-resisting elements 120 , and the N heat-resisting elements 120 are connected to the N positioning portions 112 in one-to-one correspondence.
  • the number of heat-resistant elements 120 and the corresponding relationship between the heat-resistant elements 120 and the positioning portion 112 are limited.
  • the number of heat-resisting elements 120 is the same as the number of positioning parts 112, and N positioning parts 112 are set in one-to-one correspondence with N heat-resisting elements 120, so as to form N heat-resisting elements distributed in a ring on the base 110 120 arrays, so that the membrane 210 is jointly supported by N thermal resistance elements 120 .
  • the contact surface 116 area between heat-resisting elements 120 and diaphragm 210 can be reduced on the basis of meeting the positioning and connection requirements of diaphragm 210, so as to avoid large-area contact affecting the membrane.
  • the range of motion of the slice 210 Further, the technical effect of optimizing the structure of the valve core assembly 200 and improving the pumping performance of the valve core assembly 200 is achieved.
  • the heat-resistant element 120 includes a mounting groove 122 , and the positioning portion 112 is inserted into the mounting groove 122 .
  • the matching connection structure between the heat-resistant element 120 and the positioning portion 112 is limited.
  • the positioning portion 112 has a columnar structure, and the heat-resisting member 120 is provided with an installation groove 122 whose shape matches the outer contour of the positioning portion 112 .
  • the positioning part 112 is first aligned with the installation groove 122 , and then the positioning part 112 is plugged into the installation groove 122 to complete the assembly of the heat resistance element 120 .
  • the positioning accuracy of the heat-resisting element 120 can be improved to ensure that the heat-resisting element 120 can work at a predetermined installation position, thereby accurately controlling the shape variable of the diaphragm 210 to realize precise pumping of liquid.
  • providing the installation groove 122 can reduce the difficulty of assembling the heat resistance element 120 and reduce the structural complexity between the heat resistance element 120 and the positioning portion 112 . Further, the technical effects of improving the positioning accuracy of the diaphragm 210 , improving the liquid pumping reliability of the spool assembly 200 , and reducing the cost of the spool assembly 200 are achieved.
  • the positioning portion 112 is provided with a guide groove 1122 on the surface facing the heat-resisting element 120
  • the valve core assembly 200 further includes: a protruding portion 124 disposed on the heat-resisting element 120 and located in the installation groove 122 , and the protrusion 124 is inserted into the guide groove 1122 .
  • the matching structure between the positioning portion 112 and the heat resistance element 120 is further defined.
  • a guide groove 1122 is provided on the surface of the positioning part 112 facing the heat-resistant element 120, that is, a guide groove 1122 is provided on the front end of the columnar positioning part 112, and the guide groove 1122 needs to be plugged into the installation groove 122 during the assembly process.
  • a protruding portion 124 is disposed in the installation groove 122 , and the shape of the protruding portion 124 matches the shape of the guide groove 1122 .
  • the protruding part 124 is gradually inserted into the installation groove 122 to cooperate with the positioning part 112 and the installation groove 122 to form a nested positioning connection structure, thereby improving the positioning of the heat resistance element 120. precision.
  • the nested connection structure can improve the positioning stability of the heat-resisting element 120 and prevent the heat-resisting element 120 from being dislocated or even falling off during the long-term reciprocating movement. Further, the structural stability of the lifting valve core assembly 200 is realized, and the technical effect of reducing the failure rate of the valve core assembly 200 is achieved.
  • the positioning portion 112 is taken by a plane perpendicular to the depth direction of the guide groove 1122 , and the guide groove 1122 is polygonal in cross-section; the protruding portion 124 fills the guide groove 1122 .
  • the shapes of the protruding portion 124 and the guide groove 1122 are limited.
  • the guide groove 1122 is defined on the end surface of the columnar positioning part 112 , and the depth direction of the guide groove 1122 is consistent with the axial direction of the columnar positioning part 112 .
  • the positioning portion 112 is cut by a plane perpendicular to the depth direction, and the guide groove 1122 has a polygonal shape in the cross-section obtained.
  • the shape of the protruding portion 124 is the same as that of the guide groove 1122 , so that the protruding portion 124 inserted into the guide groove 1122 fills the guide groove 1122 with a hook.
  • the protruding part 124 and the guide groove 1122 that are plugged together can prevent the heat-resistant part 120 from rotating relative to the positioning part 112 through a physical fit relationship, thereby ensuring The positioning accuracy of the heat-resisting element 120 and the diaphragm 210 prevents misalignment of the heat-resisting element 120 and the diaphragm 210 during operation.
  • the guide groove 1122 and the protrusion 124 with a polygonal cross-sectional shape, it is possible to assist in positioning the heat-resisting element 120 during the assembly process, reducing the probability of dislocation of the heat-resisting element 120 . Furthermore, the technical effect of improving the positioning accuracy and positioning reliability of the heat-resisting member 120 , reducing the difficulty of assembling the heat-resisting member 120 , improving the assembly accuracy of the heat-resisting member 120 , and improving the yield rate are achieved.
  • the cross-sectional shape of the guide groove 1122 and the protruding portion 124 is a regular polygon.
  • the portion 124 is a corresponding quadrangular prism or the cross-sectional shape of the guide groove 1122 is a regular octagon, and the protruding portion 124 is a corresponding octagonal prism.
  • the peripheral side of the prism abuts against the sidewall of the guide groove 1122 to prevent the heat-resisting member 120 from rotating relative to the positioning portion 112 .
  • this embodiment does not rigidly limit the shapes of the guide groove 1122 and the protruding portion 124, as long as they meet the above positioning requirements.
  • the guide groove 1122 is in the shape of a regular hexagon in cross-section.
  • the cross-sectional shape of the guide groove 1122 is a regular hexagon, and correspondingly the cross-sectional shape of the protrusion 124 is a hexagonal prism. Inserting the hexagonal prism into the guide groove 1122 can snap the heat-resistant element 120 in place. Section 112 on. Wherein the hexagonal prism is provided with a through hole for the connecting member 126 to pass through the heat-resistant member 120 and connect to the base 110 .
  • the guide groove 1122 and the protruding part 124 are interference fit, and by setting the guide groove 1122 and the protruding part 124 with an interference fit, the tight connection between the positioning part 112 and the heat-resistant element 120 can be realized, so as to lift the heat-resistant element 120
  • the positioning accuracy is high, so as to prevent the heat-resisting element 120 from being dislocated relative to the positioning portion 112 or even falling out of the positioning portion 112 during the working process.
  • the technical effects of structural stability and reliability of the poppet spool assembly 200 are achieved.
  • the thermal resistance element 120 is detachably connected to the base 110 .
  • the heat-resistant element 120 is detachably connected to the base 110 .
  • the detachable structure on the one hand, the modular design of the base 110 and the heat-resisting member 120 can be realized, and the heat-resisting member 120 corresponding to the heat insulation performance can be provided for the base 110 with different pumping efficiencies.
  • the maintenance of the valve core assembly 200 can be quickly completed by disassembling and replacing the heat-resisting member 120 when a certain heat-resisting member 120 is aging or damaged, thereby bringing convenience to users , Reduce product maintenance difficulty and maintenance cost.
  • the spool assembly 200 further includes: a pressing member 220, disposed on the diaphragm 210, away from the thermal resistance member 120; a connecting member 126, passing through the diaphragm 210, and connecting the pressing member 220 and the resistance Hot piece 120.
  • the valve core assembly 200 is also provided with a pressing piece 220 and a connecting piece 126, the pressing piece 220 is arranged on the diaphragm 210, and the connecting piece 126 passes through the diaphragm 210 and connects the pressing piece 220 and the heat resistance
  • the member 120 is used to press the diaphragm 210 tightly on the heat-resistant member 120 through the pressing member 220, so that the diaphragm 210 is closely attached to the top surface of the heat-resistant member 120, thereby realizing the clamping of the diaphragm 210.
  • the diaphragm 210 is the main working part of the booster pump 300.
  • the booster pump 300 drives the diaphragm 210 to move to change the size of the space separated by the diaphragm 210, thereby completing the extraction of the medium. , pressurization of the medium and discharge of the medium.
  • Setting the connecting piece 126 and the pressing piece 220 can accurately position the diaphragm 210 in the booster pump 300 to reduce the possibility of misalignment of the diaphragm 210 during operation.
  • the pressing member 220 can make the diaphragm 210 close to the base 110, thereby eliminating the gap between the first positioning surface and the diaphragm 210, thereby improving the movement accuracy of the diaphragm 210 and ensuring the pumping of the valve core assembly 200. efficiency.
  • the connecting piece 126 passes through the pressing piece 220 and the diaphragm 210 from one side of the pressing piece 220 , and is connected to the base 110 .
  • the connecting piece 126 By providing the connecting piece 126 , the pressing piece 220 can be tightly pressed on the membrane 210 through the connecting piece 126 to avoid gaps between the base 110 and the membrane 210 .
  • providing the connecting piece 126 can improve the structural stability of the valve core assembly 200 .
  • the setting of the through connecting part 126 can improve the stability and reliability of the positioning of the diaphragm 210 and reduce the possibility of the diaphragm 210 being dislocated or even falling off.
  • the booster pump 300 includes: a housing 310, including a cavity; a valve core assembly as in any of the above-mentioned embodiments 200 is set in the cavity, the diaphragm 210 is connected with the casing 310, and the diaphragm 210 separates the cavity.
  • a booster pump 300 provided with the spool assembly 200 in any of the above-mentioned embodiments is defined, so the booster pump 300 has the advantages of the spool assembly 200 in any of the above-mentioned embodiments, The technical effects achieved by the spool assembly 200 in any of the above embodiments can be achieved, and to avoid repetition, details are not repeated here.
  • the booster pump 300 includes a casing 310, which is an external frame structure of the booster pump 300, and is used to enclose and define a cavity.
  • the base 110 and the pressing member 220 are disposed in the cavity, thereby positioning the diaphragm 210 within the housing 310 .
  • the peripheral side of the diaphragm 210 is connected with the inner wall of the housing 310 to divide the cavity into two sub-cavities, and the base 110 and the pressing member 220 are respectively located in the sub-cavities on both sides of the diaphragm 210 .
  • the base 110 drives part of the diaphragm 210 and the pressing member 220 to move relative to the housing 310 , the diaphragm 210 connected to the housing 310 is pushed and pulled, thereby deforming.
  • the volume of the sub-cavity where the pressing member 220 is located increases, so that the booster pump 300 can suck the medium into the sub-cavity.
  • the diaphragm 210 is pushed toward the pressing member 220 by the base 110 , the volume of the subcavity where the pressing member 220 is located decreases, so that the medium in the subcavity is pushed out of the booster pump 300 . Further, the medium pumping of the booster pump 300 is realized.
  • the housing 310 further includes an inlet and an outlet, and the inlet and the outlet communicate with the cavity on the side of the diaphragm 210 away from the base 110 . connected to drive the base 110 to swing relative to the casing 310 .
  • the housing 310 is provided with an inlet and an outlet for the medium to enter and exit. Both the inlet and the outlet communicate with the subcavity on one side of the diaphragm 210 .
  • the base 110 and the driver 256 are disposed in the subcavity on the side away from the inlet and outlet.
  • the driving assembly 250 is fixed on the housing 310 , and the base 110 connects the driving assembly 250 and the diaphragm 210 .
  • the driving assembly 250 drives the base 110 and the pressing member 220 to move relative to the housing 310 , so as to realize the suction and discharge of the medium by pushing and pulling the diaphragm 210 .
  • the drive assembly 250 includes: a drive member 256, including a drive shaft 252; an eccentric wheel 230, sleeved on the drive shaft 252; a bearing 254, the inner ring of the bearing 254 is sleeved on the eccentric wheel 230, and the bearing The outer ring of 254 passes through the base 110 .
  • the structure of the driving assembly 250 is limited.
  • the driving assembly 250 includes a driving member 256 , an eccentric wheel 230 and a bearing 254 .
  • the eccentric wheel 230 and the bearing 254 are transmission structures between the base 110 and the driving member 256 , the bearing 254 is sleeved on the shaft body 232 of the eccentric wheel 230 , and the base 110 is sleeved outside the bearing 254 .
  • the eccentric wheel 230 rotates around the first axis, and there is a first angle between the axis of the shaft body 232 and the first axis, so that the base 110 sleeved on the shaft body 232 can be eccentric around the first axis together. turn.
  • the diaphragm 210 is disposed on the base 110 and connected with the base 110 .
  • Diaphragm 210 is made of elastic material, which can be deformed when being pushed and pulled to change the volume of the cavity in booster pump 300. For example, when the diaphragm 210 is stretched outward, the volume of the cavity will increase immediately, otherwise the membrane will When the sheet 210 returns to its original shape or is pushed inward, the volume of the cavity decreases immediately, so that the drawing and pumping of the liquid can be realized by pushing and pulling.
  • At least one embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump 300 in any one of the above embodiments.
  • a water purifier provided with the booster pump 300 in any of the above-mentioned embodiments is defined, so the water purifier possesses the advantages of the booster pump 300 in any of the above-mentioned embodiments, and can realize To avoid repetition, the technical effects achieved by the booster pump 300 in any of the above embodiments will not be repeated here.
  • valve core assembly 200 As shown in Fig. 13, Fig. 14, Fig. 15 and Fig. 16, at least one embodiment of the present application provides a valve core assembly 200, the valve core assembly 200 includes an eccentric wheel 230, which can rotate around a first axis, including Shaft 232, there is a first angle between the axis of shaft 232 and the first axis; bracket mechanism 100 is sleeved on shaft body 232; diaphragm 210 is connected with bracket mechanism 100; wherein, bracket mechanism 100 is connected with membrane
  • the contact surface of the sheet 210 is the contact surface 116 , and the contact surface 116 extends away from the diaphragm 210 in the radial direction from the outside to the inside of the shaft body 232 .
  • the spool assembly 200 proposed in this application can be applied to the booster pump 300.
  • the spool assembly 200 includes an eccentric wheel 230 , a bracket mechanism 100 and a diaphragm 210 .
  • the bracket mechanism 100 is a frame structure in the spool assembly 200 for positioning and supporting other working structures on the spool assembly 200 .
  • the eccentric wheel 230 is a transmission structure between the support mechanism 100 and the driving member 256 , and the support mechanism 100 is sleeved on the shaft body 232 of the eccentric wheel 230 .
  • the eccentric wheel 230 rotates around the first axis, and there is a first angle between the axis of the shaft body 232 and the first axis, so that the bracket mechanism 100 sleeved on the shaft body 232 can be eccentric around the first axis together. turn.
  • the diaphragm 210 is arranged on the support mechanism 100 and connected with the support mechanism 100 . Diaphragm 210 is made of elastic material, which can be deformed when being pushed and pulled to change the volume of the cavity in booster pump 300.
  • the support mechanism 100 is ring-shaped, and the axis of the structure of this part of the ring-shaped support mechanism 100 is the axis of the support mechanism 100 .
  • the support mechanism 100 is driven by the eccentric wheel 230 to rotate around the preset first axis in the valve core assembly 200, and there is an included angle between the first axis and the axis of the support mechanism 100 to form the support mechanism 100. Eccentric rotation.
  • the outer surface of the support mechanism 100 can reciprocate in the direction of the first axis, thereby driving the part of the diaphragm 210 connected to the support mechanism 100 to reciprocate in the direction of the first axis. Due to the stretchability of the diaphragm 210 , when part of the diaphragm 210 is pushed and pulled by the support mechanism 100 , the shape of the diaphragm 210 changes regularly, so that the liquid can be drawn and pushed through the deformed diaphragm 210 .
  • the dynamic load is mainly a radial load, and the radial direction refers to a radial direction perpendicular to the first axis.
  • the radial load experienced by the support mechanism 100 at the end point on the movement path is the largest.
  • the vertical dotted line in Fig. 15 is the first axis
  • the dotted line inclined relative to the first axis is the axis of the shaft body 232
  • ⁇ 1 is the first included angle
  • the eccentrically rotated spool will vibrate due to radial load. This tendency to vibrate creates noise that affects the user experience.
  • the greater the pumping flow rate and the greater the pumping pressure of the booster pump 300 the greater the above-mentioned radial load, so that the booster pump 300 with high power and high flow rate will produce more obvious vibration during the working process, and excessive Large vibrations will reduce the service life of the spool and the booster pump 300 , and if the vibration trend is transmitted to the application products of the booster pump 300 , it will generate relatively large noises and damage the user experience.
  • the present application makes improvements to the shape of the bracket mechanism 100 .
  • the diaphragm 210 is positioned at the front end of the support mechanism 100 , and the surface on the support mechanism 100 that contacts the diaphragm 210 is the contact surface 116 , and the contact surface 116 can be a single ring surface or multiple planes.
  • the contact surface 116 extends away from the diaphragm 210 .
  • the radial direction is the radial direction of the shaft body 232 and the ring-shaped support mechanism 100, which is the direction extending from the outer peripheral side of the support mechanism 100 to the axis of the support mechanism 100 from the outside to the inside, so that the radial direction from the outside to the inside
  • a contact surface 116 is formed which is high on the outside and low on the inside.
  • the vibration generated by the valve core assembly 200 during the working process is reduced, so as to solve the above-mentioned technical problems of high vibration noise and poor reliability. Furthermore, the structure of the valve core assembly 200 is optimized, the working stability and structural reliability of the valve core assembly 200 are improved, the working noise of the product is reduced, the service life of the product is extended, and the technical effect of improving user experience is achieved.
  • the contact surface 116 is a plane, and the plane perpendicular to the axis of the support mechanism 100 is a reference plane; The second included angle ⁇ 1.
  • the contact surface 116 is further described. Specifically, the contact surface 116 is a plane, and the height of the contact surface 116 gradually decreases in the radial direction from the outside to the inside of the support mechanism 100, so as to form a plane contact surface 116 on the support mechanism 100 inclined to the central area of the support mechanism 100 .
  • a certain plane perpendicular to the axis of the support mechanism 100 is used as a reference plane, and the included angle between the reference plane and the contact surface 116 is the second included angle, and the second included angle is equal to the first included angle.
  • the structural compensation angle by adjusting the angle of the second included angle, can adjust the radial load received by the support mechanism 100 during the reciprocating motion.
  • the irregular contact surface 116 is set to compensate the first included angle
  • setting the contact surface 116 as a plane can improve the structural compensation efficiency on the one hand and help reduce the radial load on the support mechanism 100 .
  • it helps to improve the force uniformity of the diaphragm 210 and prolongs the service life of the diaphragm 210 .
  • the technical effects of optimizing the structure of the support mechanism 100, improving the working stability of the support mechanism 100, reducing product vibration and noise, and prolonging the service life of the product are realized.
  • the vertical dotted line is the axis of the bracket mechanism 100
  • the dotted line perpendicular to the vertical dotted line is used to show the reference plane
  • ⁇ is the second included angle
  • the angle of the first included angle is the first angle
  • the angle of the second included angle is the second angle
  • the second angle is the product of N and the first angle, and 0.5 ⁇ N ⁇ 1.5.
  • the relationship between the first included angle and the second included angle is limited.
  • the angle of the first included angle is the first angle
  • the angle of the second included angle is the second angle.
  • the second included angle N ⁇ the first included angle.
  • the value range of N is greater than or equal to 0.5 and less than or equal to 1.5.
  • the inclined contact surface 116 can be prevented from overcompensating the radial load, and the radial load opposite to the original radial load direction on the support mechanism 100 can be avoided.
  • the component force of the support mechanism 100 in the radial direction can be reduced at the stroke end point of the reciprocating movement of the support mechanism 100, that is, at the point of maximum pressure, thereby restraining the support mechanism 100. vibration trend.
  • the technical effects of optimizing the structure of the bracket mechanism 100 improving the rotation stability of the bracket mechanism 100 , reducing product vibration and noise, and prolonging the service life of the valve core assembly 200 are realized.
  • the spool assembly 200 further includes: an eccentric wheel 230 connected to the bracket mechanism 100 , the axis of the eccentric wheel 230 coincides with the axis of the rotating shaft;
  • the shaft hole 234 is disposed on the eccentric wheel 230, and the axis of the shaft hole 234 coincides with the first axis.
  • the eccentric wheel 230 includes a cylindrical shaft body 232 and a shaft hole 234 disposed inside the shaft body 232 , and the axis of the shaft body 232 is the axis of the eccentric wheel 230 .
  • the bracket mechanism 100 is sleeved on the eccentric wheel 230 , and the axis of the bracket mechanism 100 coincides with the axis of the eccentric wheel 230 .
  • the eccentric wheel 230 rotates around the axis of the shaft hole 234. Under the physical fit, the eccentric wheel 230 drives the bracket mechanism 100 to rotate around the axis of the shaft hole 234, that is, the first axis, so as to pass through the bracket mechanism 100.
  • the eccentric rotation pushes and pulls the diaphragm 210.
  • the eccentric rotation of the bracket mechanism 100 can be formed through the contact and fit between the nested structures, and the matching structure has high compactness and strong reliability, which helps to reduce the rotation error caused by the structural gap, and It is beneficial to reduce the vibration noise of the valve core assembly 200 .
  • this structure occupies less space, which can reduce the layout difficulty of the valve core assembly 200 inside the booster pump 300 , and is beneficial to the lightweight and miniaturized design of the booster pump 300 .
  • the structure is less difficult to disassemble and assemble.
  • the bracket mechanism 100 or the eccentric wheel 230 breaks down, the user can easily complete the maintenance and replacement of the structure through disassembly and assembly.
  • the technical effect of improving the compact structure of the spool assembly 200 reducing the size of the spool assembly 200 , and improving the working stability and reliability of the spool assembly 200 is achieved.
  • valve core assembly 200 further includes: a bearing 254 sleeved on the eccentric wheel 230 , and the bracket mechanism 100 is sleeved on the bearing 254 .
  • the valve core assembly 200 is also provided with a bearing 254 .
  • the bearing 254 is sleeved on the shaft body 232 of the eccentric wheel 230
  • the bracket mechanism 100 is sleeved on the bearing 254, forming the eccentric wheel 230, the bearing 254 and the bracket mechanism 100 nested sequentially from inside to outside.
  • the arrangement of the bearing 254 helps to reduce the frictional force between the eccentric wheel 230 and the support mechanism 100 , thereby reducing the torque applied by the support mechanism 100 to the diaphragm 210 and preventing the diaphragm 210 from being twisted and torn by the support mechanism 100 .
  • setting the bearing 254 can also improve the transmission stability and reliability between the eccentric wheel 230 and the bracket mechanism 100 , suppress the vibration of the valve core assembly 200 to a certain extent, and reduce the working noise of the valve core assembly 200 .
  • the technical effect of optimizing the structure of the valve core assembly 200 , improving the working stability of the valve core assembly 200 and reducing the failure rate of the valve core assembly 200 is achieved.
  • the spool assembly 200 further includes: a first rib 118 disposed on the bracket mechanism 100; a second rib 236 disposed on the eccentric wheel 230, and the two end surfaces of the bearing 254 are respectively connected to the second rib.
  • the first rib 118 abuts against the second rib 236 .
  • the positioning structure of the bearing 254 is limited. Specifically, the first rib 118 is provided on the inner ring surface of the support mechanism 100 , and the second rib 236 is provided on the peripheral side of the shaft body 232 . After the assembly is completed, one end surface of the bearing 254 abuts against the first rib 118 , and the opposite end surface abuts against the second rib 236 , so that the bearing 254 is limited between the bracket mechanism 100 and the eccentric wheel 230 between.
  • the bearing 254 is firstly sleeved on the shaft body 232 until the lower end surface of the shaft body 232 abuts against the second rib 236, and then the support mechanism 100 is sleeved on the outside of the bearing 254 until the first rib 118 abuts against the upper end surface of the bearing 254 .
  • the bearing 254 can be prevented from jumping between the bracket mechanism 100 and the eccentric wheel 230 , so as to reduce the vibration and noise generated by the valve core assembly 200 during operation. Further, the technical effect of optimizing the transmission structure of the support mechanism 100, improving the stability and reliability of the eccentric rotation of the support mechanism 100, and reducing the vibration and noise of the product is realized.
  • valve core assembly 200 further includes: a driving shaft 252 passing through the shaft hole 234 ; and a driving member 256 connected with the driving shaft 252 .
  • the valve core assembly 200 is also provided with a drive shaft 252 and a drive member 256 .
  • the driving part 256 can be a motor, and the power output shaft of the driving part 256 is connected with one end of the driving shaft 252 through a coupling to drive the driving shaft 252 to rotate.
  • the other end of the driving shaft 252 passes through the shaft hole 234 of the eccentric wheel 230 and is connected with the eccentric wheel 230 .
  • the driving shaft 252 and the eccentric wheel 230 can be connected through a positioning key and a keyway, and the axial connection between the driving shaft 252 and the eccentric wheel 230 can also be completed by setting the shaft hole 234 and the driving shaft 252 with a polygonal cross-sectional shape.
  • the method is not limited here, and it is enough that the drive shaft 252 drives the eccentric wheel 230 to rotate synchronously.
  • the power output by the driving member 256 is transmitted to the support mechanism 100 via the drive shaft 252, the eccentric wheel 230 and the bearing 254, so that the support mechanism 100 rotates eccentrically around the axis of the drive shaft 252, that is, the first axis, and rotates eccentrically.
  • the bracket mechanism 100 pushes and pulls the diaphragm 210 to complete the pumping of the liquid.
  • the bracket mechanism 100 includes: a base 110, the base 110 is ring-shaped; at least three positioning parts 112 are arranged on the base 110 Above, the diaphragm 210 is connected to the end surface of the positioning portion 112 .
  • the bracket mechanism 100 includes a base 110 and a positioning part 112 .
  • the base 110 is the main frame structure of the support mechanism 100 and is used for positioning and supporting the positioning part 112 disposed on the base 110 .
  • the positioning portion 112 is disposed on the base 110 , and the first positioning surface is located on an end surface of the positioning portion 112 .
  • the surface 116 when the contact surface 116 is a plane, the contact surface 116 on each positioning portion 112 is inclined toward the direction of the base 110 to form an array of contact surfaces 116 that are high on the outside and low on the inside.
  • the bearing 254 is installed in the base 110, and the side wall of the surrounding layer is arranged opposite to the inner ring surface of the base 110.
  • the first rib 118 is arranged on the base 110, between the lower end surface of the base 110 and the positioning part 112. between. Wherein, there are at least three positioning parts 112 to ensure the stability of the positioning parts 112 supporting the diaphragm 210 and reduce the possibility of the diaphragm 210 tilting on the valve core assembly 200 .
  • the positioning part 112 structure By constructing the positioning part 112 structure on the support mechanism 100 , it can provide convenient conditions for pushing and pulling the diaphragm 210 during the working process, specifically, the deformation range of the diaphragm 210 can be increased, and the force required for pushing and pulling the diaphragm 210 can be reduced. Further, the structure of the bracket mechanism 100 is optimized, the pumping flow rate and the pumping pressure of the booster pump 300 using the spool assembly 200 are increased, and the technical effect of enhancing the competitiveness of related products is achieved.
  • the contact surfaces 116 on at least three positioning portions 112 meet at the same intersection point, and the intersection point is located on the axis of the base 110 .
  • the contact surface 116 is a plane, and the contact surface 116 on each positioning portion 112 is inclined toward the direction where the base 110 is located.
  • the contact surfaces 116 on at least three positioning parts 112 are inclined toward the direction where the base 110 is located.
  • optimizing the direction of the interaction force between the diaphragm 210 and the support mechanism 100 helps to reduce the resultant force of the support mechanism 100 in the radial direction perpendicular to the first axis, thereby improving the eccentricity of the inclined contact surface 116 to the support mechanism 100
  • the rotation compensation effect reduces the radial load on the support mechanism 100 .
  • the technical effect of optimizing the structure of the bracket mechanism 100, improving the rotation stability of the bracket mechanism 100, reducing product vibration and noise, and improving user experience is achieved.
  • At least three positioning portions 112 are evenly distributed on the same circle with the axis of the base 110 as the axis.
  • the distribution manner of the positioning parts 112 on the support mechanism 100 is limited.
  • the base 110 is a ring structure.
  • at least three positioning portions 112 are evenly distributed on the same circle with the axis of the base 110 as the axis, so as to form an annular array of positioning portions 112 on the base 110 .
  • the uniformity of force distribution between the support mechanism 100 and the diaphragm 210 can be improved, and the diaphragm 210 can be prevented from being damaged due to uneven force.
  • the technical effect of optimizing the structure of the base 110 and prolonging the service life of the diaphragm 210 is achieved.
  • the valve core assembly 200 further includes: a pressing member 220, which is arranged on the side of the diaphragm 210 away from the positioning portion 112, abuts against the diaphragm 210, and is used to press the diaphragm 210 on the on the positioning part 112.
  • a pressing member 220 is further arranged in the valve core assembly 200 , and the pressing member 220 is arranged on the diaphragm 210 .
  • the pressing member 220 abuts against the diaphragm 210 so that the diaphragm 210 is tightly pressed between the bracket mechanism 100 and the pressing member 220 , thereby realizing the clamping of the diaphragm 210 .
  • the diaphragm 210 is the main working part of the booster pump 300. During the working process, the booster pump 300 drives the diaphragm 210 to move to change the size of the space separated by the diaphragm 210, thereby completing the extraction of the medium.
  • the arrangement of the bracket mechanism 100 and the pressing member 220 can accurately position the diaphragm 210 in the booster pump 300 to reduce the possibility of misalignment of the diaphragm 210 during operation. And the pressing member 220 can make the diaphragm 210 close to the bracket mechanism 100 , thereby eliminating the gap between the first positioning surface and the diaphragm 210 .
  • the number of pressing pieces 220 is the same as the number of positioning portions 112 , and the pressing pieces 220 are arranged in one-to-one correspondence with the positioning portions 112 .
  • each valve core assembly 200 is provided with a plurality of pressing pieces 220, and the number of pressing pieces 220 is the same as the number of positioning portions 112 on the base 110.
  • the diaphragm 210 is now aligned and placed on at least three positioning portions 112 .
  • a pressing member 220 is correspondingly provided for each positioning portion 112, and the pressing member 220 is pressed against the diaphragm 210, so that the diaphragm 210 is pressed.
  • the fastening member 220 is pressed against the positioning portion 112 .
  • the positioning stability of the valve core assembly 200 to the diaphragm 210 can be improved by arranging a plurality of pressing parts 220, and the possibility of misalignment of the diaphragm 210 between the support mechanism 100 and the pressing part 220 can be reduced.
  • this structure can provide convenient conditions for the valve core assembly 200 to push and pull the diaphragm 210 during operation, specifically, it can increase the deformation range of the diaphragm 210 and reduce the force required for pushing and pulling the diaphragm 210 .
  • the structure of the valve core assembly 200 is optimized, the pumping flow rate and pumping pressure of the booster pump 300 using the valve core assembly 200 are improved, and the technical effect of enhancing the competitiveness of related products is realized.
  • the booster pump 300 includes: a housing 310, including a cavity; the spool assembly 200 in any of the above embodiments, located In the cavity, the diaphragm 210 is connected with the housing 310 and separates the cavity.
  • a booster pump 300 provided with the spool assembly 200 in any of the above-mentioned embodiments is defined, so the booster pump 300 has the advantages of the spool assembly 200 in any of the above-mentioned embodiments, The technical effects achieved by the spool assembly 200 in any of the above embodiments can be achieved, and to avoid repetition, details are not repeated here.
  • the booster pump 300 includes a casing 310, which is an external frame structure of the booster pump 300, and is used to enclose and define a cavity.
  • the bracket mechanism 100 and the pressing member 220 are disposed in the cavity, thereby positioning the diaphragm 210 within the housing 310 .
  • the peripheral side of the diaphragm 210 is connected with the inner wall of the housing 310 to divide the cavity into two sub-cavities, and the bracket mechanism 100 and the pressing member 220 are respectively located in the sub-cavities on both sides of the diaphragm 210 .
  • the support mechanism 100 drives part of the diaphragm 210 and the pressing member 220 to move relative to the housing 310
  • the diaphragm 210 connected to the housing 310 is pushed and pulled, thereby deforming.
  • the volume of the sub-cavity where the pressing member 220 is located increases, so that the booster pump 300 can suck the medium into the sub-cavity.
  • the diaphragm 210 When the diaphragm 210 is pushed toward the pressing member 220 by the bracket mechanism 100 , the volume of the subcavity where the pressing member 220 is located decreases, so that the medium in the subcavity is pushed out of the booster pump 300 . Further, the medium pumping of the booster pump 300 is realized.
  • the housing 310 includes an inlet and an outlet, and the inlet and the outlet communicate with the cavity on the side of the diaphragm 210 away from the bracket mechanism 100 .
  • the housing 310 is provided with an inlet and an outlet for the medium to enter and exit. Both the inlet and the outlet are in communication with the subcavity on one side of the diaphragm 210.
  • the bracket mechanism 100 and the driving member 256 are arranged in the subcavity on the side away from the inlet and the outlet.
  • the driver 256 is fixed on the housing 310 , and the bracket mechanism 100 connects the driver 256 and the diaphragm 210 .
  • the driving member 256 drives the bracket mechanism 100 and the pressing member 220 to move relative to the housing 310 , so as to realize the suction and discharge of the medium by pushing and pulling the diaphragm 210 .
  • At least one embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump 300 in any one of the above embodiments.
  • a water purifier provided with the booster pump 300 in any of the above-mentioned embodiments is defined, so the water purifier possesses the advantages of the booster pump 300 in any of the above-mentioned embodiments, and can realize To avoid repetition, the technical effects achieved by the booster pump 300 in any of the above embodiments will not be repeated here.
  • valve core assembly 200 includes: an eccentric wheel 230, which can rotate around a first axis, including a shaft 232, there is a third angle between the axis of the shaft body 232 and the first axis, in Figure 19 and Figure 21, ⁇ 2 shows the third angle; the bracket mechanism 100 is sleeved on the shaft body 232; the diaphragm 210, It is connected with the bracket mechanism 100; wherein, the intersection of the first axis and the axis of the shaft body 232 is the first intersection, and in Figure 19, Figure 20 and Figure 21, C shows the first intersection; the first intersection is located at the diaphragm 210 On the surface, or the first point of intersection, is located within the diaphragm 210 .
  • the spool assembly 200 proposed in this application can be applied to the booster pump 300.
  • the spool assembly 200 includes an eccentric wheel 230 , a bracket mechanism 100 and a diaphragm 210 .
  • the bracket mechanism 100 is a frame structure in the spool assembly 200 for positioning and supporting other working structures on the spool assembly 200 .
  • the eccentric wheel 230 is a transmission structure between the support mechanism 100 and the driving member 256 , and the support mechanism 100 is sleeved on the shaft body 232 of the eccentric wheel 230 .
  • the eccentric wheel 230 rotates around the first axis, and there is a third angle between the axis of the shaft body 232 and the first axis, so that the bracket mechanism 100 sleeved on the shaft body 232 can be eccentric around the first axis together.
  • the diaphragm 210 is arranged on the support mechanism 100 and connected with the support mechanism 100 .
  • Diaphragm 210 is made of elastic material, which can be deformed when being pushed and pulled to change the volume of the cavity in booster pump 300.
  • the support mechanism 100 is annular, and the axis of this part of the ring support mechanism 100 structure is the axis of the support mechanism 100.
  • the support mechanism 100 is driven by the eccentric wheel 230 to rotate around the preset first axis in the valve core assembly 200, and there is an included angle between the first axis and the axis of the support mechanism 100 to form the support mechanism 100. Eccentric rotation.
  • the outer surface of the support mechanism 100 can reciprocate in the direction of the first axis, thereby driving the part of the diaphragm 210 connected to the support mechanism 100 to reciprocate in the direction of the first axis. Due to the stretchability of the diaphragm 210 , when part of the diaphragm 210 is pushed and pulled by the support mechanism 100 , the shape of the diaphragm 210 changes regularly, so that the liquid can be drawn and pushed through the deformed diaphragm 210 . Wherein, the larger the third included angle is, the stronger the liquid pumping capability of the spool assembly 200 is, which is reflected in the booster pump 300 as a larger pumping flow rate.
  • the diaphragm 210 is subjected to a greater force, and the diaphragm 210 receives the largest force when the support mechanism 100 is at an end position on the movement path during a cycle of reciprocating movement of the support mechanism 100 .
  • the spool in the booster pump 300 will repeatedly push and pull the diaphragm 210 during the process of pumping liquid through eccentric rotation. If the force exceeds the threshold, the aging speed of the diaphragm 210 will be accelerated, or the diaphragm 210 will be torn directly. If the diaphragm 210 fails, the booster pump 300 will lose its ability to pump liquid, so that the reliability of the booster pump 300 will be reduced, and the life of the booster pump 300 will be affected.
  • the present application defines the matching positional relationship between the eccentric wheel 230 and the diaphragm 210 .
  • the intersection point between the first axis and the axis of the shaft body 232 is the first intersection point. Because the bracket mechanism 100 and the diaphragm 210 provided on the bracket mechanism 100 are both eccentrically rotated around the first axis, the relative position of the first intersection point and the bracket mechanism 100 and the diaphragm 210 will not be relative to the membrane during the eccentric rotation.
  • the sheet 210 and the stand mechanism 100 move.
  • the first intersection point falls on the two end surfaces of the diaphragm 210 , or the first intersection point is located between the two end surfaces of the diaphragm 210 .
  • the eccentric wheel 230 with a larger eccentric angle is selected to drive the bracket mechanism 100, although the pumping capacity of the valve core assembly 200 can be increased, the force on the diaphragm 210 will also be correspondingly increased. Defining the positional relationship between the first intersection point and the diaphragm 210 can match the eccentric angle of the eccentric wheel 230 to the thickness of the diaphragm 210, ensuring that the installed diaphragm 210 can withstand the support mechanism 100 driven by the current eccentric wheel 230 Repeated pushing and pulling, to prevent the diaphragm 210 from being subjected to a force beyond its own bearing capacity.
  • the service life of the diaphragm 210 is prolonged, and the possibility of the diaphragm 210 being torn by the support mechanism 100 is reduced, so as to solve the above-mentioned technical problems. Further, the technical effect of optimizing the structure of the valve core assembly 200 , improving the reliability of the valve core assembly 200 , and prolonging the service life of the valve core assembly 200 is achieved.
  • the surface of the bracket mechanism 100 that is in contact with the diaphragm 210 is the contact surface 116; the contact surface 116 is a plane, and the shaft 232 is formed by In the radial direction from outside to inside, the contact surface 116 is inclined away from the diaphragm 210 .
  • the diaphragm 210 is positioned at the front end of the support mechanism 100 , and the surface on the support mechanism 100 that is in contact with the diaphragm 210 is the contact surface 116 .
  • the contact surface 116 is inclined away from the diaphragm 210 .
  • the radial direction is the radial direction of the shaft body 232 and the ring-shaped support mechanism 100, which is the direction extending from the outer peripheral side of the support mechanism 100 to the axis of the support mechanism 100 from the outside to the inside, so that the radial direction from the outside to the inside In this direction, a contact surface 116 is formed which is high on the outside and low on the inside.
  • the eccentrically rotated spool will vibrate due to radial load. This tendency to vibrate creates noise that affects the user experience.
  • the greater the pumping flow rate and the greater the pumping pressure of the booster pump 300 the greater the above-mentioned radial load, so that the booster pump 300 with high power and high flow rate will produce more obvious vibration during the working process, and excessive Large vibrations will reduce the service life of the spool and the booster pump 300 , and if the vibration trend is transmitted to the application products of the booster pump 300 , it will generate relatively large noises and damage the user experience.
  • the contact surface 116 can compensate to a certain extent the eccentric angle of the eccentrically rotating bracket mechanism 100 , that is, the third included angle. Therefore, by reducing the radial load on the support mechanism 100 during the reciprocating motion, the vibration generated by the valve core assembly 200 during the working process is reduced, so as to solve the above-mentioned technical problems of high vibration noise and poor reliability. Furthermore, the structure of the valve core assembly 200 is optimized, the working stability and structural reliability of the valve core assembly 200 are improved, the working noise of the product is reduced, the service life of the product is extended, and the technical effect of improving user experience is achieved.
  • the plane perpendicular to the axis of the shaft body 232 is the reference plane, and there is a fourth included angle between the reference plane and the contact surface 116 .
  • ⁇ 2 shows the fourth included angle; the angle of the third included angle is the first angle, and the angle of the fourth included angle is the second angle; wherein, the second angle is the product of N and the first angle, 0.5 ⁇ N ⁇ 1.5.
  • the contact surface 116 is further described. Taking a certain plane perpendicular to the axis of the support mechanism 100 as a reference plane, the included angle between the reference plane and the contact surface 116 is the fourth included angle, and the fourth included angle is the structural compensation angle of the third included angle.
  • the second angle by adjusting the second angle, the deformation range of the diaphragm 210 can be adjusted, so as to adjust the stress on the inside of the diaphragm 210.
  • adjusting the second angle can adjust the radial load on the support mechanism 100 during the reciprocating motion.
  • the relationship between the third included angle and the fourth included angle is defined.
  • the angle of the third included angle is the first angle
  • the angle of the fourth included angle is the second angle.
  • Fourth included angle N ⁇ third included angle.
  • the value range of N is greater than or equal to 0.5 and less than or equal to 1.5.
  • the inclined contact surface 116 can be prevented from overcompensating the radial load, and the radial load opposite to the original radial load direction on the support mechanism 100 can be avoided.
  • the component force of the support mechanism 100 in the radial direction can be reduced at the stroke end point of the reciprocating movement of the support mechanism 100, that is, at the point of maximum pressure, thereby restraining the support mechanism 100. vibration trend.
  • the technical effects of optimizing the structure of the bracket mechanism 100 improving the rotation stability of the bracket mechanism 100 , reducing product vibration and noise, and prolonging the service life of the valve core assembly 200 are achieved.
  • the bracket mechanism 100 includes: a base 110, the base 110 is annular, and the axis of the base 110 coincides with the axis of the shaft body 232; at least three positioning parts 112 are arranged on the base 110 , the diaphragm 210 is connected to the end surface of the positioning portion 112 .
  • the bracket mechanism 100 includes a base 110 and a positioning part 112 .
  • the base 110 is the main frame structure of the support mechanism 100 and is used for positioning and supporting the positioning part 112 disposed on the base 110 .
  • the positioning portion 112 is disposed on the base 110 , and the first positioning surface is located on an end surface of the positioning portion 112 .
  • the surface 116 when the contact surface 116 is a plane, the contact surface 116 on each positioning portion 112 is inclined toward the direction of the base 110 to form an array of contact surfaces 116 that are high on the outside and low on the inside.
  • the positioning part 112 structure on the support mechanism 100 it can provide convenient conditions for pushing and pulling the diaphragm 210 during the working process, specifically, the deformation range of the diaphragm 210 can be increased, and the force required for pushing and pulling the diaphragm 210 can be reduced.
  • the structure of the bracket mechanism 100 is optimized, the pumping flow rate and the pumping pressure of the booster pump 300 using the spool assembly 200 are increased, and the technical effect of enhancing the competitiveness of related products is realized.
  • the contact surfaces 116 on at least three positioning portions 112 meet at a second intersection point.
  • D shows the second intersection point, and the second intersection point is located on the axis of the base 110 .
  • the contact surface 116 is a plane, and the contact surface 116 on each positioning portion 112 is inclined toward the direction where the base 110 is located.
  • the contact surfaces 116 on at least three positioning parts 112 are limiting to meet at the same intersection point and the second intersection point, and defining the second intersection point to be located on the axis of the base 110, a unified arrangement can be formed on the positioning parts 112 An array of multiple contact surfaces 116.
  • optimizing the direction of the interaction force between the diaphragm 210 and the support mechanism 100 helps to reduce the resultant force of the support mechanism 100 in the radial direction perpendicular to the first axis, thereby reducing the internal stress of the diaphragm 210 on the one hand, and on the other hand
  • the compensation effect of the inclined contact surface 116 on the eccentric rotation of the support mechanism 100 is improved, and the radial load on the support mechanism 100 is reduced.
  • the technical effect of optimizing the structure of the bracket mechanism 100, improving the rotation stability of the bracket mechanism 100, reducing product vibration and noise, prolonging the life of the diaphragm 210, and improving user experience is achieved.
  • the distance between the first intersection point and the second intersection point in the direction of the first axis is the first distance value; the length of the diaphragm 210 in the direction of the first axis is the second distance value; the first The distance value is less than or equal to the second distance value.
  • the positional relationship between the first intersection point and the second intersection point is defined.
  • the second intersection point is located on the axis of the bracket mechanism 100 and the shaft body 232
  • the first intersection point is located on the first axis.
  • the first intersection point and the second intersection point may coincide, or may be spaced apart in the axial direction of the support mechanism 100 .
  • the distance between the first intersection point and the second intersection point is a first distance value, and when the first intersection point and the second intersection point coincide, the first distance value is 0.
  • the first distance value can be calculated from the interval between the two points and the third angle, which will not be described here.
  • the thickness of the length of the diaphragm 210 in the direction of the first axis is the second distance value.
  • the acting force on the diaphragm 210 can be compared with the diaphragm 210 at the first distance.
  • the thicknesses in the axial direction are correlated, so as to further improve the matching degree between the diaphragm 210 and the eccentric wheel 230 .
  • the eccentric wheel 230 further includes: a shaft hole 234 provided on the eccentric wheel 230 , the axis of the shaft hole 234 coincides with the first axis.
  • the eccentric wheel 230 includes a cylindrical shaft body 232 and a shaft hole 234 disposed inside the shaft body 232 , and the axis of the shaft body 232 is the axis of the eccentric wheel 230 .
  • the bracket mechanism 100 is sleeved on the eccentric wheel 230 , and the axis of the bracket mechanism 100 coincides with the axis of the eccentric wheel 230 .
  • the eccentric wheel 230 rotates around the axis of the shaft hole 234. Under the physical fit, the eccentric wheel 230 drives the bracket mechanism 100 to rotate around the axis of the shaft hole 234, that is, the first axis, so as to pass through the bracket mechanism 100.
  • the eccentric rotation pushes and pulls the diaphragm 210.
  • the eccentric rotation of the bracket mechanism 100 can be formed through the contact and fit between the nested structures, and the matching structure has high compactness and strong reliability, which helps to reduce the rotation error caused by the structural gap, and It is beneficial to reduce the vibration noise of the valve core assembly 200 .
  • this structure occupies less space, which can reduce the layout difficulty of the valve core assembly 200 inside the booster pump 300 , and is beneficial to the lightweight and miniaturized design of the booster pump 300 .
  • the structure is less difficult to disassemble and assemble.
  • the bracket mechanism 100 or the eccentric wheel 230 breaks down, the user can easily complete the maintenance and replacement of the structure through disassembly and assembly.
  • the technical effect of improving the compact structure of the spool assembly 200 reducing the size of the spool assembly 200 , and improving the working stability and reliability of the spool assembly 200 is achieved.
  • valve core assembly 200 further includes: a bearing 254 sleeved on the eccentric wheel 230 , and the bracket mechanism 100 is sleeved on the bearing 254 .
  • the valve core assembly 200 is also provided with a bearing 254 .
  • the bearing 254 is sleeved on the shaft body 232 of the eccentric wheel 230
  • the bracket mechanism 100 is sleeved on the bearing 254, forming the eccentric wheel 230, the bearing 254 and the bracket mechanism 100 nested sequentially from inside to outside.
  • the arrangement of the bearing 254 helps to reduce the frictional force between the eccentric wheel 230 and the support mechanism 100 , thereby reducing the torque applied by the support mechanism 100 to the diaphragm 210 and preventing the diaphragm 210 from being twisted and torn by the support mechanism 100 .
  • setting the bearing 254 can also improve the transmission stability and reliability between the eccentric wheel 230 and the bracket mechanism 100 , suppress the vibration of the valve core assembly 200 to a certain extent, and reduce the working noise of the valve core assembly 200 .
  • the technical effect of optimizing the structure of the valve core assembly 200 , improving the working stability of the valve core assembly 200 and reducing the failure rate of the valve core assembly 200 is realized.
  • the spool assembly 200 further includes: a first rib 118 disposed on the bracket mechanism 100; a second rib 236 disposed on the eccentric wheel 230, and the two end surfaces of the bearing 254 are respectively connected to the second rib.
  • the first rib 118 abuts against the second rib 236 .
  • the positioning structure of the bearing 254 is limited. Specifically, the first rib 118 is provided on the inner ring surface of the support mechanism 100 , and the second rib 236 is provided on the peripheral side of the shaft body 232 . After the assembly is completed, one end surface of the bearing 254 abuts against the first rib 118 , and the opposite end surface abuts against the second rib 236 , so that the bearing 254 is limited between the bracket mechanism 100 and the eccentric wheel 230 between.
  • the bearing 254 is firstly sleeved on the shaft body 232 until the lower end surface of the shaft body 232 abuts against the second rib 236, and then the support mechanism 100 is sleeved on the outside of the bearing 254 until the first rib 118 abuts against the upper end surface of the bearing 254 .
  • the bearing 254 can be prevented from jumping between the support mechanism 100 and the eccentric wheel 230 , so as to reduce the vibration and noise generated by the valve core assembly 200 during operation. Further, the technical effect of optimizing the transmission structure of the support mechanism 100, improving the stability and reliability of the eccentric rotation of the support mechanism 100, and reducing the vibration and noise of the product is realized.
  • valve core assembly 200 further includes: a driving shaft 252 passing through the shaft hole 234 ; and a driving member 256 connected with the driving shaft 252 .
  • the valve core assembly 200 is also provided with a drive shaft 252 and a drive member 256 .
  • the driving part 256 can be a motor, and the power output shaft of the driving part 256 is connected with one end of the driving shaft 252 through a coupling to drive the driving shaft 252 to rotate.
  • the other end of the driving shaft 252 passes through the shaft hole 234 of the eccentric wheel 230 and is connected with the eccentric wheel 230 .
  • the driving shaft 252 and the eccentric wheel 230 can be connected through a positioning key and a keyway, and the axial connection between the driving shaft 252 and the eccentric wheel 230 can also be completed by setting the shaft hole 234 and the driving shaft 252 with a polygonal cross-sectional shape.
  • the method is not limited here, and it is enough that the drive shaft 252 drives the eccentric wheel 230 to rotate synchronously.
  • the power output by the driving member 256 is transmitted to the support mechanism 100 via the drive shaft 252, the eccentric wheel 230 and the bearing 254, so that the support mechanism 100 rotates eccentrically around the axis of the drive shaft 252, that is, the first axis, and rotates eccentrically.
  • the bracket mechanism 100 pushes and pulls the diaphragm 210 to complete the pumping of the liquid.
  • the valve core assembly 200 further includes: a pressing member 220, which is arranged on the side of the diaphragm 210 away from the positioning portion 112, abuts against the diaphragm 210, and is used to press the diaphragm 210 on the on the positioning part 112.
  • the valve core assembly 200 is also provided with a pressing member 220, and the pressing member 220 is arranged on the diaphragm 210.
  • the pressing member 220 abuts against the diaphragm 210 so that the diaphragm 210 is tightly pressed between the support mechanism 100 and the pressing member 220 , thereby realizing the clamping of the diaphragm 210 .
  • the diaphragm 210 is the main working part of the booster pump 300. During the working process, the booster pump 300 drives the diaphragm 210 to move to change the size of the space separated by the diaphragm 210, thereby completing the extraction of the medium.
  • the arrangement of the bracket mechanism 100 and the pressing member 220 can accurately position the diaphragm 210 in the booster pump 300 to reduce the possibility of misalignment of the diaphragm 210 during operation. And the pressing member 220 can make the diaphragm 210 close to the bracket mechanism 100 , thereby eliminating the gap between the first positioning surface and the diaphragm 210 .
  • the number of pressing pieces 220 is the same as the number of positioning portions 112 , and the pressing pieces 220 are arranged in one-to-one correspondence with the positioning portions 112 .
  • each valve core assembly 200 is provided with a plurality of pressing pieces 220 , and the number of pressing pieces 220 is the same as the number of positioning portions 112 on the base 110 .
  • the diaphragm 210 is now aligned and placed on at least three positioning portions 112 .
  • a pressing member 220 is correspondingly provided for each positioning portion 112, and the pressing member 220 is pressed against the diaphragm 210, so that the diaphragm 210 is pressed.
  • the fastening member 220 is pressed against the positioning portion 112 .
  • the positioning stability of the valve core assembly 200 to the diaphragm 210 can be improved by arranging a plurality of pressing parts 220, and the possibility of misalignment of the diaphragm 210 between the support mechanism 100 and the pressing part 220 can be reduced.
  • this structure can provide convenient conditions for the valve core assembly 200 to push and pull the diaphragm 210 during operation, specifically, it can increase the deformation range of the diaphragm 210 and reduce the force required for pushing and pulling the diaphragm 210 .
  • the technical effect of optimizing the structure of the spool assembly 200, increasing the pumping flow rate and pumping pressure of the booster pump 300 using the spool assembly 200, and enhancing the competitiveness of related products is achieved.
  • the booster pump 300 includes: a housing 310, including a cavity; the spool assembly 200 in any of the above embodiments, located In the cavity, the diaphragm 210 is connected with the housing 310 and separates the cavity.
  • a booster pump 300 provided with the spool assembly 200 in any of the above-mentioned embodiments is defined, so the booster pump 300 has the advantages of the spool assembly 200 in any of the above-mentioned embodiments, The technical effects achieved by the spool assembly 200 in any of the above embodiments can be achieved, and to avoid repetition, details are not repeated here.
  • the booster pump 300 includes a casing 310, which is an external frame structure of the booster pump 300, and is used to enclose and define a cavity.
  • the bracket mechanism 100 and the pressing member 220 are disposed in the cavity, thereby positioning the diaphragm 210 within the housing 310 .
  • the peripheral side of the diaphragm 210 is connected with the inner wall of the housing 310 to divide the cavity into two sub-cavities, and the bracket mechanism 100 and the pressing member 220 are respectively located in the sub-cavities on both sides of the diaphragm 210 .
  • the support mechanism 100 drives part of the diaphragm 210 and the pressing member 220 to move relative to the housing 310
  • the diaphragm 210 connected to the housing 310 is pushed and pulled, thereby deforming.
  • the volume of the sub-cavity where the pressing member 220 is located increases, so that the booster pump 300 can suck the medium into the sub-cavity.
  • the diaphragm 210 When the diaphragm 210 is pushed toward the pressing member 220 by the bracket mechanism 100 , the volume of the subcavity where the pressing member 220 is located decreases, so that the medium in the subcavity is pushed out of the booster pump 300 . Further, the medium pumping of the booster pump 300 is realized.
  • the housing 310 includes an inlet and an outlet, and the inlet and the outlet communicate with the cavity on the side of the diaphragm 210 away from the bracket mechanism 100 .
  • the housing 310 is provided with an inlet and an outlet for the medium to enter and exit. Both the inlet and the outlet communicate with the subcavity on one side of the diaphragm 210 .
  • the bracket mechanism 100 and the driving member 256 are arranged in the subcavity on the side away from the inlet and the outlet. Specifically, the driver 256 is fixed on the housing 310 , and the bracket mechanism 100 connects the driver 256 and the diaphragm 210 .
  • the driving member 256 drives the bracket mechanism 100 and the pressing member 220 to move relative to the housing 310 , so as to realize the suction and discharge of the medium by pushing and pulling the diaphragm 210 .
  • At least one embodiment of the present application provides a water purifier, and the water purifier includes: the booster pump 300 in any one of the above embodiments.
  • a water purifier provided with the booster pump 300 in any of the above-mentioned embodiments is defined, so the water purifier possesses the advantages of the booster pump 300 in any of the above-mentioned embodiments, and can realize To avoid repetition, the technical effects achieved by the booster pump 300 in any of the above embodiments will not be repeated here.
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or through an intermediary indirectly connected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
PCT/CN2022/128494 2021-11-08 2022-10-31 支架机构、阀芯组件、增压泵和净水器 WO2023078192A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/563,229 US20240271608A1 (en) 2021-11-08 2022-10-31 Support mechanism, valve core assembly, booster pump, and water purifier
EP22889217.0A EP4332378A4 (de) 2021-11-08 2022-10-31 Stützmechanismus, ventilkernanordnung, boosterpumpe und wasserreiniger

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CN202122718282.7 2021-11-08
CN202122718278.0 2021-11-08
CN202122718278.0U CN216198922U (zh) 2021-11-08 2021-11-08 阀芯组件、增压泵和净水器
CN202122718282.7U CN216198923U (zh) 2021-11-08 2021-11-08 阀芯组件、增压泵和净水器
CN202123357215.3U CN216477768U (zh) 2021-12-29 2021-12-29 支架机构、阀芯组件、增压泵和净水器
CN202111635120.5A CN116412107A (zh) 2021-12-29 2021-12-29 支架机构、阀芯组件、增压泵和净水器
CN202123357215.3 2021-12-29
CN202111635120.5 2021-12-29
CN202123358407.6 2021-12-29
CN202123358407.6U CN216477771U (zh) 2021-12-29 2021-12-29 阀芯组件、隔膜泵和净水器
CN202111635143.6 2021-12-29
CN202111635143.6A CN116412108A (zh) 2021-12-29 2021-12-29 阀芯组件、隔膜泵和净水器

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EP4332378A4 (de) 2024-09-18
EP4332378A1 (de) 2024-03-06

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